396-454 BBC Headers, Fenderwell Exit, 4wd & 2wd, 69-91 Blazer. 2" Primaries with a 3 1/2" Collector. Headers come uncoated, bare steel.
Will NOT clear factory A/C
Does NOT require any body lift
Mounting bolts included.
NO gaskets included.
Head flange is 5/16" thick, port opening 2.031" round, primaries 16 gauge mild steel.
**Intended for racing and off-road use only**
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